NSN 5310-01-581-7537 113-4642918 ITEM NO 20, 1134642918ITEMNO20, 218025925FA

Product Details | HEXAGON SELF-LOCKING NUT

5310-01-581-7537 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Part Alternates: 113-4642918 ITEM NO 20, 1134642918ITEMNO20, 218025925FA, 60080014, 60-08-0014, 5310-01-581-7537, 01-581-7537, 5310015817537, 015817537

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	27 JAN 2010	01-581-7537	05277 ( NUT, SELF-LOCKING, HEXAGON )

Part Number	Request Date	QTY	Origin
218025925FA	2022-08-236	902	DIBBS
218025925FA	2022-08-215	938	DIBBS
218025925FA	2021-12-335	1285	DIBBS
218025925FA	2021-04-98	374	DIBBS
218025925FA	2020-02-49	636	DIBBS
218025925FA	2019-12-359	671	DIBBS
218025925FA	2019-08-235	556	DIBBS
218025925FA	2019-08-227	556	DIBBS
5310-01-581-7537	2018-10-295	495	DIBBS
5310-01-581-7537	2018-10-287	495	DIBBS
5310-01-581-7537	2018-09-249	9	DIBBS
5310-01-581-7537	2018-05-150	120	DIBBS
5310-01-581-7537	2018-04-113	90	DIBBS
5310-01-581-7537	2018-03-79	24	DIBBS
5310-01-581-7537	2018-01-23	65	DIBBS
5310-01-581-7537	2017-12-348	33	DIBBS
5310-01-581-7537	2017-10-292	220	DIBBS
5310-01-581-7537	2017-08-228	155	DIBBS
5310-01-581-7537	2017-07-183	130	DIBBS
5310-01-581-7537	2017-05-128	102	DIBBS
5310-01-581-7537	2017-03-65	100	DIBBS
5310-01-581-7537	2017-03-60	43	DIBBS
5310-01-581-7537	2017-02-37	351	DIBBS
5310-01-581-7537	2016-10-300	358	DIBBS
5310-01-581-7537	2016-06-161	172	DIBBS
5310-01-581-7537	2016-05-129	150	DIBBS
5310-01-581-7537	2016-02-35	170	DIBBS
5310-01-581-7537	2015-11-314	388	DIBBS
5310-01-581-7537	2015-10-302	388	DIBBS
5310-01-581-7537	2015-09-272	366	DIBBS
5310-01-581-7537	2015-05-132	300	DIBBS
5310-01-581-7537	2014-12-338	2	DIBBS
5310-01-581-7537	2014-11-321	50	DIBBS
5310-01-581-7537	2014-08-238	2	DIBBS
5310-01-581-7537	2014-08-215	19	DIBBS
5310-01-581-7537	2012-08-226	4	DIBBS
5310-01-581-7537	2012-04-107	4	DIBBS

Cross Reference | NSN 5310-01-581-7537

Part Number	Cage Code	Manufacturer
113-4642918 ITEM NO 20	80064	NAVAL SHIP SYSTEMS COMMAND
60-08-0014	96169	ELECTRIC BOAT CORPORATION

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Related Products | NSN 5310-01-581-7537

5310-01-581-8844, 5310-01-581-9324, 5310-01-582-1018, 5310-01-582-1381, 5310-01-582-1595

Technical Data | NSN 5310-01-581-7537

Characteristic	Specifications
THREAD DIRECTION	RIGHT-HAND
MATERIAL	PLASTIC LOCKING INSERT
THREAD SERIES	UNC
THREAD QUANTITY PER INCH	13
NUT HEIGHT	0.575 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
NUT STYLE	HEXAGON
NOMINAL THREAD SIZE	0.500 INCHES
MATERIAL	NICKEL ALLOY 400 NUT
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
BEARING SURFACE TYPE	CHAMFERED
THREAD CLASS	3B
WIDTH ACROSS FLATS	0.741 INCHES MINIMUM AND 0.755 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-581-7537

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:	0	Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)

Category	Code	Description
NMF Description	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	573	unknown
Originating Activity Code	HD	Naval Inventory Control Point Mechanicsburg, PA 17055-0788
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	B	Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 5310-01-581-7537

Navy

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	J	NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each